Trigonometry IGCSE

GIve answer to 3 sf

• 353

• 356

• 365

• 335

answer to 3 sf.

• 19.3

• 19.0

• 18.6

• 22.7

A and B are two towns on a map.

The bearing of A from B is 140°.

Work out the bearing of B from A.

• 140

• 180

• 40

• 320

Answer to 3 sf.

• 100

• 102

• 120

• 201

Give answer correct to 1 decimal place

• 120

• 116

• 116.6

• 166.6

The bearing of A from B is 227°.

Find the bearing of B from A.

• 407

• 047

• 272

• 180

x° is an obtuse angle and sin x° = 0.43 .

Find the value of x. Give answer to 1 decimal place

• 155.7

• 154.5

• 25.5

• 26.1

Give answer to 3 significant figure.

• 44.3

• 45.1

• 40.3

• 42.2

Give answer to 1 decimal place

• 50.1

• 45.8

• 52.0

• 53.3

A plane flies from Geneva to Hamburg.

The flight takes 2 hours 20 minutes.

Calculate the average speed in kilometres per hour. Give your answer to 3 significant figures

• 370

• 372

• 273

• 270